Ответ:
[tex]3,12*\frac{5}{7} =3\frac{12}{10}*\frac{5}{7} =\frac{42*5}{10*7}=\frac{6}{2}=3[/tex]
3,12 × 5/7= 15,6/7= 2 1,6/7= 2 16/70= 2 8/35
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Ответ:
[tex]3,12*\frac{5}{7} =3\frac{12}{10}*\frac{5}{7} =\frac{42*5}{10*7}=\frac{6}{2}=3[/tex]
Ответ:
3,12 × 5/7= 15,6/7= 2 1,6/7= 2 16/70= 2 8/35